Over the past year and a half, as I've started organizing my ideas slowly and over time, I've realized how hard it is to keep my character's together in my head. They tend to change as I change, which can be good or bad. As I approached older story ideas, my characters no longer fit and I have to revamp the plot, or reorganize to compensate for changes in my perception of my own characters. So, recently, I've started to organize them by stories and with certain things set in stone like: Eyes Hair Main Job Background I am curious to hear what some more advanced writers do to keep their characters straight in their stories. Are there excellent, tried and true ways to keep each character understandable over a long period of time for multiple stories? Or is it more, whatever works for you as the author?